Distance calculator

Great-circle distance. Enter an airport ICAO / IATA code or coordinates (for example 52.1657, 20.9671).

KMGN · Harbor Springs Airport → KBOS · Boston Logan International Airport

Distance
628.2 nm
1,163.4 km · 722.9 mi
Course (true)
102°
Reverse course
292°
Flight time
1:26

Straight great-circle distance, not a route. Course is true, not magnetic.